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the heart
the heart
18
Biology
Undergraduate 2
11/14/2010

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Cards

Term
LAD
Definition
widow maker
Term
cardiac conducting myofibers
Definition
purkinje fibers
Term
systole
Definition
contraction
Term
diastole
Definition
relaxation
Term
vector
Definition
measures force and direction of electrical conduction
Term
ischemic heart disease
Definition
result of lack of O2 bc of blockage
Term
angina pectoris
Definition
increased lactic acid, pain in heart, lack of O2
Term
myocardial infarction
Definition
cell necrosis, heart attack, lack or circulation, lack of O2
Term
circus rhythms
Definition
continous recycling of electrical waves seen in fibrillation
treatment = pacemaker
uncoordinated pumping action
Term
flutter
Definition
rapid coordinated contractions
200-300 BPM
Term
AV node block
Definition
slowing of conduvtion relected in the PR interval
Term
ectopic pacemaker
Definition
when bundle of his or purkinje takes over the role of pacemaker
seen in 3rd degree AV node block
Term
tunica intima
Definition
innermost, endothelium, connective tissue, external elastic membrane
Term
tunica media
Definition
smooth muscle, middle
Term
tunica adventitia
Definition
outermost, collagen and elastic fibers
Term
continuous capillaries
Definition
in skletal muscle
Term
discontinuous cappilaries
Definition
sinusoids
in liver and spleen
Term
fenestrated cappilaries
Definition
in kidneys, endocrine, digestive tract
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